Home / 31,203.93-46,805.90-10,145.86

Finding the Fourth Proportional to 31,203.93, 46,805.90 and 10,145.86

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Solution

The fourth proportional to 31,203.93, 46,805.90 and 10,145.86 is: 15,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,203.93 : 46,805.90 = 10,145.86 : x
  2. Step 2: Convert to fraction form
    31,203.93/46,805.90 = 10,145.86/x
  3. Step 3: Cross multiply
    31,203.93x = 46,805.90 × 10,145.86
  4. Step 4: Simplify right side
    31,203.93x = 474,885,997.90
  5. Step 5: Solve for x
    x = 474,885,997.90/31,203.93
  6. Step 6: Final answer
    x = 15,218.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.